LATHE OPERATIONS - OD1645 - LESSON 1/TASK 1
h.
The operator will keep the floor around the machine clear of oil or
grease to prevent anyone from slipping and falling into the machine.
i. The operator should use assistance when handling heavy or awkward parts,
stock, or machine accessories. Never remove chips with your bare hands; a
pair of pliers, a hook, or a brush should he used. (Stop the machine while
removing the chips.)
j. The operator should prevent long chips from being caught in the chuck by
using good chip control procedures.
k.
The operator should never try to stop the machine with his hands or
body.
l.
The operator will turn the machine off before talking to anyone.
m. The operator should know how to stop the machine quickly if an emergency
arises.
n.
The operator must be attentive, not only to the operation of the
machine, but the events going on around it.
o. The operator should be alert to the location of the cutting tool while
taking measurements or making adjustments to the machine.
He should see
that the work and the cutting tools clear each other and that they are
clamped securely before starting the machine.
p.
The operator will remove the centers and the cutting tools when not
being used, and always observe the specific safety precautions posted for
the machine in which you are operating.
6.
General Lathe Operations and Machining
a. General.
To obtain good results on the lathe, a knowledge of the
variable factors of speeds, feeds, cutting oils, and materials is necessary,
as well as the mechanical application of the cutter bits to the workpiece.
Cutting speeds, feeds, depth of cut, and cutting oils, if used, are
different for each type of material and each operation; failure to keep
these factors within proper limits may cause damage to the lathe or lathe
tools, and can result in spoiling the
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